Finding the Fourth Proportional to 10,767,458.90, 14,861,392.80 and 6,186,306.26
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Solution
The fourth proportional to 10,767,458.90, 14,861,392.80 and 6,186,306.26 is: 8,538,423.80
Step by Step Solution
- Step 1: Write the proportion equation
10,767,458.90 : 14,861,392.80 = 6,186,306.26 : x - Step 2: Convert to fraction form
10,767,458.90/14,861,392.80 = 6,186,306.26/x - Step 3: Cross multiply
10,767,458.90x = 14,861,392.80 × 6,186,306.26 - Step 4: Simplify right side
10,767,458.90x = 91,937,127,310,958.92 - Step 5: Solve for x
x = 91,937,127,310,958.92/10,767,458.90 - Step 6: Final answer
x = 8,538,423.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.